Spinning ring



L. R. LADD SPINNING RING June 14, 1960 2 Sheets-Sheet 1 Filed Oct. 16, 1958 INVENTOR. Jaw/22ml. Jada ATTY$ FIG. 5

L. R. LADD SPINNING RING June 14, 1960 2 Sheets-Sheet 2 Filed Oct. 16, 1958 IFIG.6

mvmon Jaw/Pia? E {add FIG.8

v ATTfYS United States Patent SPINNING RING Lawrence R. Ladd, 136 Washburn Ave., Portland, Maine Filed Oct. 16, 1958, Ser. No. 767,582

3 Claims. (Cl. 57-120) This invention relates to spinning and twisting rings employed inring-spinning and similar frames in the production of textile yarn or thread and relates more especially to a ring assembly of the self-lubricating type wherein the traveler guiding annulus is of porous-oil absorbent material for example as disclosed in the prior Albrecht Patent No. 2,084,756, dated June 22, 1937. In subsequent modifications and improvements in such rings, the guide ring is mounted in a support annulus shaped to provide an annular oil passage communicating with an external reservoir supplying continuous lubrication to the porous ring. While these arrangements efliciently eliminate the need for hand-oiling the guide rings, such prior rings have exuded lubricant onto the supporting members making such assemblies collectors of dirt and dust. Such dirty assemblies frequently soil fibers spun thereon, such that they cannot be classified as a first grade product. g It is the principal object of the present invention to prevent oily or dirty yarn when using an oil-absorbent traveler-guiding ring of the above type. Further objects include the provision of a clean ring which does not exude oil onto its supporting surfaces, which has an improved reservoir closure, and which is comparatively easy to manufacture at low cost.

In'accordance with this invention these objects are achieved in a spinning ring assembly comprising a traveler-guiding ring and a support of oil-impervious material shaped to form an annular channel having an outer wall and a substantially cylindrical inner wall, the lower part of the traveler-guiding ring being disposed within the channel in the support, said ring comprising a traveler-guiding portion and a circular flange having an outer surface and an inner substantially cylindrical surface, said inner cylindrical surface of the ring being closely adjacent to and adhesively sealed to the inner channel wall, said outer channel wall and outer surface of the flange portion of the guide ring defining a moat for receipt of lubricant, said moat being closed by a cover adhesively sealed oil-tight thereover, the support having a reservoirforlubricant external to the outer wall of said channel and having a passage therefrom communicating with said moat, said reservoir having a cover adhesively sealed-thereover. Preferably the guide. ring is of oil-absorbent material, the support ring and reservoir are cast as an integral unit, the reservoir has an interior shoulder spaced downwardly from its top edge which supports the reservoir cover and to which the cover is adhesively sealed; the reservoir cover has an access opening normally closed by a dome valve seating thereunder; the outer wall of the support ring channel has an inwardly projecting rib; the outer flange surface of the traveler-guiding ring has an outwardly projecting rib, and the moat cover is positioned over the flange rib and under the channel wall rib.

This invention may be better understood by reference to the accompanying drawings in which Fig. l is a plan view of a ring assembly embodying the present invention;

Fig. 2 is a side elevation of the assembly shown in Fig. 1;

Fig. 3 is an enlarged section taken on the line 3- of Fig. l with the reservoir valve removed;

Fig. 4 is an enlarged section taken on the line 3-3 of Fig. 1 showing the valve closing the reservoir access opening;

Fig. 5 is an enlarged section taken on the line 33 of Fig. 1 showing the valve depressed to admit lubricant;

Fig. 6 is an enlarged section of the channel support taken on the line 6-6 of Fig. 1;

Fig. 7 is an enlarged section of the channel support taken on the line 7-7 of Fig. 1;

Fig. 8 is an enlarged radial section of the oil-absorbent traveler-guiding ring; and

Fig. 9 is a plan view on a reduced scale showing three ring assemblies as they are positioned in a spinning frame.

Referring to the drawings (Fig. l), the embodiment of this invention illustrated comprises a traveler-guiding ring 19 and a support ring 12 coaxial with the guide ring.

Referring especially to Fig. 8, the guide ring 10 comprises a traveler-guiding portion 14 of conventional design for a C-shaped traveler (not shown), a circular flange portion 16 having inner and outer cylindrical, coaxial surfaces 18 and 20 respectively, and a peripheral rib or lobe 22 projecting outwardly from the surface 20. In the preferred embodiment the traveler guiding ring 16 is of conventional oil-absorbent type such as disclosed in the above-named patent. The ring 10 thus consists throughout its substance of a material which is hard and durable enough to withstand the wear of the moving traveler, but which comprises a multitude of minute capillary canals and microscopic cavities which are distributed throughout the material with substantial uniformity. When lubricant is supplied to one surface, for instance, the surface 20, of the flange, it will move at a slow but substantially uniform rate to the traveler contacting portion 14. p

The support ring or holder 12 (Figs.-6 and 7) is shaped to form an annular channel 24 having substantially cylindrical, coaxial inner and outer walls 26 and 28 respectively, the outer Wall 28 having an inwardly projecting rib or lobe Sliextending around the ring. Externally of the wall 28, the ring 12 has a reservoir 32 (Figs. 1, 3, 4 and 5) for the storage of lubricant. Preferably the parts which define this reservoir are integral with the ring 12.

The reservoir 32, as here shown, has a fluid-receiving chamber of generally cylindrical contour, and the wall of this chamber has an annular shoulder 34 spaced downwardly from its top edge. An annular reservoir cover 36 is seated on the shoulder 34 and held in place by means of screws 38 (Figs. 1 and 2). The cover has an access opening 40 (Fig. 4) for the admission of lubricant, the opening being normally closed by a dome valve 42 seating thereunder. The valve 42 is yieldingly urged upwardly against the edges of the opening 40 by a coil spring 44 positioned around a post 46 projecting from the base 48 of the reservoir.

In assembly, the traveler guide ring 10 is placed in the channel 24 of the support ring 12, so that the inner cylindrical surface 18 of the traveler guide ring 12 is disposed close to the inner cylindrical surface of wall 26 of the supporting ring 12 and the opposed surfaces are adhesively sealed together by an adhesive bond indicated at 50 (Fig. 4). The outer surface 20 of the traveler guide ring and the inner surface of the outer wall 28 of the support ring 12 define therebetween an annular passage or Corporation, Detroit, Michigan.

is closed by a fiat annular cover 54' positioned above the' rib or lobe 22 and under the channel rib or lobe Stlwhich projects from the wall 28. This co'ver isadhesively se cured in place by 'an toil-tight bond indicated at StS; V The reservoir cover 36 is' adhesivelysealed t0. the shoulder 34 by an" adhcsivcbond 58 (Fig; 4) and the support 12 has a passage 69 providing communication betweenthe rescrvoir chamber and the annular lubricant moat 52.

p In operation, lubricant is'supplied to the reservoir 32 through the opening 40 by depressing the dome valve 42 as shown in Fig. 5. Lubricant from the reservoir 32 then flows through the passage 60 to the moat 52 surrounding the lower partof ring ltl, the flow of oil being assured by the use of'a conventional felt'or wick material 62 (Fig. 3) if desired. Lubricant contacting the outer surface 20 and the rib 22 of the guide ring 1 3 is fed at a slow and substantially uniform rate through the porous material comprising the ring to the traveler-guiding portion 14. l 7

It should be readily apparent that the foregoing structure provides a substantially oil-tight assembly wherein lubricant can only reach the outer surface of the guide portion 14 where it is needed to facilitate the high speed motion of the traveler by passage through the substance of the ring itself. The support ring 12 is made of oil impervious material and all permanent joints are adhesively sealed oil-tight as indicated at 5 9, 56 and 58, while the dome valve 42 is efficient to prevent entrance of lint or other foreign material into the reservoir, and to reduce gumming or evaporation of lubricant as well as to re 'duce capillary creeping of oil out through the reservoir opening 40 to a negligible minimum. Adhesive sealing compounds suitable for providing the seal at 50, 56 and 58 include Rez-Zin of the Marson Corp, Revere, Massachusetts; Duro of the Woodhill Chemical Company,

Cleveland, Ohio; and Seal All of the Allen Products Any other suitable resinousadhesive 'can also be employed. 7

While a spinning ring has been illustrated, it should be obvious that the invention applies equally to twisting rings which function in substantially the same manner.

' Whilea desirable embodiment of the invention has been her'einillu'strated anddescribed by way of example, it is to 'beunderstood' that the invention is broadly inclusive of any and all modifications falling within the scope of the appended claims. 1 r

claim; l. Afspirining or twisting ring assembly comprising a traveler guiding ring of oil-absorbent material and a 'sup-' outer wall of said channel. and having a passage there- 1 from communicating with said moat, saidreservoir havport ofoil-impervious material shaped to form an annular channel having an outer wall and a substantially-cylindrical inner wall, the lower part of the traveler guiding ring being disposedwithin the channel in the support, saidring comprising a traveler guiding portion and a circular-flange having an outer surface and an inner substantially cylindrical surface, said inner'cylindrical sur-' face of the ring being closely adjacent to and adhesively sealed to the inner channel wall, said o'uter channel wall and outer surface of the flange portion of the guidingring defining a moat for'receipt of lubricant, said moat being closed by a cover adhesively sealed oil-tight thereover, the support having a reservoir for lubricant external to the ing a cover 'adhesively sealedjthereover, said outer wall of the channelin the support having an inwardly projecting annular rib which projects over the edge of said moat cover to retain said'cover in place and to which said co'ver is adhesively sealed.

2. A spinning or twisting'iiing assembly comprising a traveler guiding ringof oil-absorbent material and a support of oil-impervious material shaped to form an annular channel havinganouter'wallj'anda substantiallycylindrical inner wall, the loweli pal' lQf the traveler guiding ring being disposed within thechannel in the support, said ring comprising a'traveler guiding portion and a circular flange having an outer surface and an inner substantially cylindrical surface, said inner cylindrical surface of the ring being closely adjacent to and adhesively'sealed to the inner channel wall, said outer channel wall and outer surface of the flange portion of the guiding ring defining a moat for receipt ,of lubricant, said moat being closed by a cover adhesively sealed oil-tight thereover, the support having a reservoir for lubricant external to the outer wall of said channel and having a passage therefrom communicating with said moat, said reservoir having a cover adhesively sealed thereover, said outer wall of the channel in the support having an inwardly projecting rib, the outer surface of the flange portion of the traveler-guiding ring having an outwardly projecting rib, and said rno'at cover beingpositioned over the rib of the ring and under the rib. on said channel wall.

3. A spinningor twisting ring assembly comprising a traveler guiding ring of oil-absorbent material and a support of oil-impervious cast metalshaped, to, define an annular channel having substantially cylindrical, radially spaced, concentric inner and outer walls, said outer'wall having an inwardly projecting rib at the upper portion thereof, the guide ring comprising a trayelerguiding portion and a circular flange portion having inner and outer cylindrical surfaces, the outer surface of said flange 'portion having an outwardly projecting rib and the inner surface of said flange portion snugly fitting and being adhesively sealed to the inner wall of the channel, the outer surface of the flangeportion of the ring and the inner channel wall defining a moat therebetween for'receipt of lubricant, a flat'ring located below the rib'projecting from the channel wall and above the rib proje ng from said support having anjintegral portion defining a reservoir which communicateswith said moat, said reservoir having an internal'shoulder below; its top edge, a reservoir cover seated on and adhesivelysealed to said shoulder, said reservoir cover having an access openingnormally closed by a valve seated thereunder, saidvalve being yieldingly urged against said cover by a coil spring'positioned within the reservoir. j

References Cited in the file of'thispatent' i UNITED STATES PATENTS 2,145,478 Gooidchild r t Ian. 1, 3.9, 2,760,329 Albrecht a Aug: 28, .1955 2 850,866 W y on. ept -,.1958 

